ANSWERS: 2
  • NOAA said. ..between 2000 and 2015 they increased from a little more than once a year to three times a year.
  • About 4 times a year depending on the moon and sun. They had one in 1970 now its 4 times as much. With some cities already experiencing flooding up to four times more frequently than in 1970, And we can't change the earth's orbit. http://www.unisci.com/stories/20012/0413012.htm

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